Stereoerror formation in the polymerization of propylene catalyzed by a titanium bis(benzamidinate) dichloride complex activated by MAO

Victoria Volkis, Michal Rodensky, Anatolii Lisovskii, Yael Balazs, Moris S. Eisen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A new mechanism for the formation of stereoerrors during the polymerization of propylene, promoted by the C2symmetric benzamidinate titanium complex 1, has been observed at low and high pressure using unlabeled and 2-d-labeled propylene. The use of deuterated propylene induces higher tacticities and molecular weights of the resulting polymers. At high pressure, the polymerization of the deuterated propylene induces faster insertion and termination processes. The new epimerization mechanism, which may be accompanied by a CH2/ CD(Me) exchange, is presented.

Original languageEnglish
Pages (from-to)4934-4937
Number of pages4
JournalOrganometallics
Volume25
Issue number21
DOIs
StatePublished - 9 Oct 2006
Externally publishedYes

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